// Allows to user add feedback (likes or dislikes) to posts in social wall. Requires DB changes:
// CREATE TABLE message_feedback (id BIGINT AUTO_INCREMENT NOT NULL, message_id BIGINT NOT NULL, user_id INT NOT NULL, liked TINYINT(1) DEFAULT '0' NOT NULL, disliked TINYINT(1) DEFAULT '0' NOT NULL, updated_at DATETIME NOT NULL, INDEX IDX_DB0F8049537A1329 (message_id), INDEX IDX_DB0F8049A76ED395 (user_id), INDEX idx_message_feedback_uid_mid (message_id, user_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci ENGINE = InnoDB;
// ALTER TABLE message_feedback ADD CONSTRAINT FK_DB0F8049537A1329 FOREIGN KEY (message_id) REFERENCES message (id) ON DELETE CASCADE;
// ALTER TABLE message_feedback ADD CONSTRAINT FK_DB0F8049A76ED395 FOREIGN KEY (user_id) REFERENCES user (id) ON DELETE CASCADE;
// In 1.11.8, before enabling this feature, you also need to: